Project Number Date
test_Tails_ISO_stable 4650 01 Feb 2024, 18:42

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 13:51.835 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
17.404
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.109
And I prepare Tails for memory erasure tests 0.644
When I start a process allocating 128 MiB of memory with a known pattern 1.212
Then patterns cover at least 128 MiB in the guest's memory 3.410 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.277
Then I find very few patterns in the guest's memory 3.749 
Pattern coverage: 0.000% (0 MiB out of 1190 MiB reference memory)
After features/support/hooks.rb:291 0.734
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
58.788
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.814
And I prepare Tails for memory erasure tests 0.626
And I find very few patterns in the guest's memory 3.826 
Pattern coverage: 0.000% (0 MiB out of 1185 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.225
Then patterns cover at least 99% of the test FS size in the guest's memory 3.162 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.346
Then I find very few patterns in the guest's memory 3.786 
Pattern coverage: 0.000% (0 MiB out of 1185 MiB reference memory)
After features/support/hooks.rb:291 2.217
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:57.178
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.361
And I prepare Tails for memory erasure tests 0.656
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.931
Then I find very few patterns in the guest's memory 3.838 
Pattern coverage: 0.000% (0 MiB out of 1191 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:17.400
Then patterns cover at least 86% of the test FS size in the guest's memory 3.355 
Pattern coverage: 94.014% (117 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.478
Then I find very few patterns in the guest's memory 3.821 
Pattern coverage: 0.000% (0 MiB out of 1191 MiB reference memory)
# read cache
When I mount the USB drive again 0.407
And I read the content of the test FS 0.672
Then patterns cover at least 99% of the test FS size in the guest's memory 3.422 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.362
Then I find very few patterns in the guest's memory 6.468 
Pattern coverage: 0.000% (0 MiB out of 1191 MiB reference memory)
After features/support/hooks.rb:291 1.337
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:49.412
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.140
And I prepare Tails for memory erasure tests 0.683
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.714
Then I find very few patterns in the guest's memory 4.144 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:54.358
Then patterns cover at least 99% of the test FS size in the guest's memory 2.979 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory 3.517 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
# read cache
When I mount the USB drive again 3.026
And I read the content of the test FS 0.709
Then patterns cover at least 99% of the test FS size in the guest's memory 2.835 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.423
Then I find very few patterns in the guest's memory 3.307 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
After features/support/hooks.rb:291 1.181
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
47.732
Before features/support/hooks.rb:245 0.004
Given I have started Tails from DVD without network and logged in 7.723
And I prepare Tails for memory erasure tests 0.637
When I fill a 128 MiB file with a known pattern on the root filesystem 12.899
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.366
Then patterns cover at least 128 MiB in the guest's memory 2.350 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.895
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.839 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
After features/support/hooks.rb:291 3.484
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:1.317
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:17.318
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.088
When I trigger shutdown 0.244
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.204 
Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)
After features/support/hooks.rb:291 3.503
After features/support/hooks.rb:75 0.019